#!/bin/bash
function s1_goto_dir()
{
	cd "$1"
}

function s2_touch_empty_file_with_given_name()
{
	touch "$1"
}

function s3_make_directories()
{
	mkdir -p projects/git projects/backup
}

function s4_create_6_files()
{
	touch projects/{linux1_,linux2_}{centos,redhat,c_programming}
}

function s5_make_directories_in_git()
{
	mkdir -p projects/git/{linux1,linux2}
}

function s6_move_files_to_dir_1_or_2()
{
	mv projects/linux1_* projects/git/linux1/ && mv projects/linux2_* projects/git/linux2/
}

function s7_create_package_and_compress()
{
	tar -czvf projects/backup/git.tar.gz -C ~/projects git/
}

function s8_delete_dir_git()
{
	rm -rf ~/projects/git
}

function s9_recover_from_git_tar_gz_backup()
{
	rm -rf ~/projects/git
	tar -zxvf projects/backup/git.tar.gz -C projects/
}

function s10_create_package_and_compress()
{
	tar -jcvf projects/backup/git.tar.bz2 ~/projects git/
}

function s11_find_and_sort_alphabetically_all_created_files_and_dirs()
{
	find ./projects -type f -o -type d | sort
}


function s12_get_next_15_minutes_boundary()
{
     date +'%Y-%m-%d_%H:%M:%S' -d @$(( $(date +%s)/900*900+900))
}

